package com.ygxsk.carhome.views;

import android.content.Context;
import android.content.res.TypedArray;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;

import com.blankj.utilcode.util.LogUtils;
import com.blankj.utilcode.util.ToastUtils;
import com.ygxsk.carhome.R;
import com.ygxsk.carhome.constant.ConstantSign;

/**
 * 自定义组件：购买数量，带减少增加按钮
 * Created by hiwhitley on 2016/7/4.
 */
public class AmountView extends LinearLayout implements View.OnClickListener, TextWatcher {

    private static final String TAG = "itchen-AmountView";

    /**
     * 默认是1个，2024年3月4日16:07:40 改造默认是一个
     */
    private int amount = 1; //购买数量

    private int goods_storage = 1; //商品库存 默认是1个，但是优惠券 可以设置默认100个，但是优惠券礼包 只能是1个。

    private OnAmountChangeListener mListener;

//    private EditText etAmount;

    private final LastInputEditText etAmount;
    private final Button btnDecrease;
    private final Button btnIncrease;

    public AmountView(Context context) {
        this(context, null);
    }

    public AmountView(Context context, AttributeSet attrs) {
        super(context, attrs);

        LayoutInflater.from(context).inflate(R.layout.view_amount, this);

        etAmount = (LastInputEditText) findViewById(R.id.etAmount);

        btnDecrease = (Button) findViewById(R.id.btnDecrease);
        btnIncrease = (Button) findViewById(R.id.btnIncrease);

        btnDecrease.setOnClickListener(this);
        btnIncrease.setOnClickListener(this);
        etAmount.addTextChangedListener(this);

        TypedArray obtainStyledAttributes = getContext().obtainStyledAttributes(attrs, R.styleable.AmountView);
        int btnWidth = obtainStyledAttributes.getDimensionPixelSize(R.styleable.AmountView_btnWidth, LayoutParams.WRAP_CONTENT);
        int tvWidth = obtainStyledAttributes.getDimensionPixelSize(R.styleable.AmountView_tvWidth, 80);
        int tvTextSize = obtainStyledAttributes.getDimensionPixelSize(R.styleable.AmountView_tvTextSize, 0);
        int btnTextSize = obtainStyledAttributes.getDimensionPixelSize(R.styleable.AmountView_btnTextSize, 0);
        obtainStyledAttributes.recycle();

        LayoutParams btnParams = new LayoutParams(btnWidth, LayoutParams.MATCH_PARENT);
        btnDecrease.setLayoutParams(btnParams);
        btnIncrease.setLayoutParams(btnParams);
        if (btnTextSize != 0) {
            //btnDecrease.setTextSize(TypedValue.COMPLEX_UNIT_PX, btnTextSize);
            btnDecrease.setTextSize(TypedValue.COMPLEX_UNIT_PX, btnTextSize);
            btnIncrease.setTextSize(TypedValue.COMPLEX_UNIT_PX, btnTextSize);
        }

        LayoutParams textParams = new LayoutParams(tvWidth, LayoutParams.MATCH_PARENT);
        etAmount.setLayoutParams(textParams);
        if (tvTextSize != 0) {
            etAmount.setTextSize(tvTextSize);
        }
    }

    public void setOnAmountChangeListener(OnAmountChangeListener onAmountChangeListener) {
        this.mListener = onAmountChangeListener;
    }

    public void setGoods_storage(int _goods_storage) {
        this.goods_storage = _goods_storage;
    }

    public LastInputEditText getEtAmount() {
        return etAmount;
    }

    @Override
    public void onClick(View v) {
        int i = v.getId();

        if (i == R.id.btnDecrease) {//减少

            if (etAmount != null) {

                String countValueDecrease = etAmount.getText().toString().trim();

                if (!TextUtils.isEmpty(countValueDecrease)) {

                    if (amount > 1) {

                        amount--;
                        etAmount.setText(amount + "");

                    } else {
                        LogUtils.d(ConstantSign.LOGCAT_NOMAL + "itchen--不能再减法了--amount->" + amount);
                        ToastUtils.showShort(getResources().getString(R.string.low_number_limit));
                    }

                } else {
                    //请输入数量
                    ToastUtils.showShort(getResources().getString(R.string.count_input_limit));
                }

            }

        } else if (i == R.id.btnIncrease) {//增加

            if (etAmount != null) {

                String countValueIncrease = etAmount.getText().toString().trim();

                if (!TextUtils.isEmpty(countValueIncrease)) {

                    if (amount < goods_storage) {

                        amount++;
                        etAmount.setText(amount + "");

                    } else {
                        LogUtils.d(ConstantSign.LOGCAT_NOMAL + "itchen--不能再加法了--amount->" + amount);
                        ToastUtils.showShort(getResources().getString(R.string.max_input_limit));
                    }

                } else {
                    ToastUtils.showShort(getResources().getString(R.string.count_input_limit));
                }
            }

        }

        etAmount.clearFocus();

        if (mListener != null) {
            mListener.onAmountChange(this, amount);
        }
    }

    @Override
    public void beforeTextChanged(CharSequence s, int start, int count, int after) {

    }

    @Override
    public void onTextChanged(CharSequence s, int start, int before, int count) {

    }

    @Override
    public void afterTextChanged(Editable s) {
        if (s.toString().isEmpty())
            return;
        amount = Integer.valueOf(s.toString());
        if (amount > goods_storage) {
            etAmount.setText(goods_storage + "");
            return;
        }

        if (mListener != null) {
            mListener.onAmountChange(this, amount);
        }
    }


    public interface OnAmountChangeListener {
        void onAmountChange(View view, int amount);
    }

}
